pChart – PHP Charting Library under GPL License
pChart is a PHP class oriented framework designed to create aliased charts. Most of todays chart libraries have a cost, pChart is intended to be free. Data can be retrieved from SQL queries, CSV files, or manually provided. Focus has been put on rendering quality introducing an aliasing algorithm to draw eye candy graphics. This project is still under development and new features or fix are made every week.
License: GPL License